. >> today i'm announcing i'm running for the united states senate as an independent because it's time to put partisan politics aside. >> reporter: rob sibani, congressman and author entered the race today. >> i'm asking to you join me today to reject partisanship, reject the entire partisanship that is strangling our children's future. >> reporter: he said he wants to help build double-decker express lanes along the capital beltway in maryland, to invest in maryland's inner cities and prince georges county school children. >> the feed box i get from residents in prince georges county is jobs and education. so $150 million in scholarships to low-income children. i am the only middle-class representative in this race actually fighting for the middle class. not just talking about it. >> reporter: dan is the republican in the race. where's a retired secret service agent who was on the protection details of both presidents bush and obama. he said there is one big issue in this election. >> the economy. i don't mind paying taxes. i don't think anyone does. there is not a republican in the c